ConfigFree Utility driver for Toshiba Satellite L755D-S5347 ConfigFree allows you to perform the following: Use Connectivity Doctor to quickly fix any network connection problems.­ Create ConfigFree profiles for automatic switching between preset network settings and devices,­ even if there is a change in the network environment.­ Automatic switching between several wireless LAN environments.­ Automatic switching to a wireless LAN if the cable is disconnected when using both a wired and wireless LAN.­ You can also easily switch LAN environments manually